40048899 has 16 divisors (see below), whose sum is σ = 59076864. Its totient is φ = 23928800.

The previous prime is 40048873. The next prime is 40048901. The reversal of 40048899 is 99884004.

It is a cyclic number.

It is not a de Polignac number, because 40048899 - 2⁸ = 40048643 is a prime.

It is a super-2 number, since 2×40048899² = 3207828622224402, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40048899.

It is not an unprimeable number, because it can be changed into a prime (40048859) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6204 + ... + 10889.

It is an arithmetic number, because the mean of its divisors is an integer number (3692304).

Almost surely, 2^40048899 is an apocalyptic number.

40048899 is a deficient number, since it is larger than the sum of its proper divisors (19027965).

40048899 is a wasteful number, since it uses less digits than its factorization.

40048899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17178.

The product of its (nonzero) digits is 82944, while the sum is 42.

The square root of 40048899 is about 6328.4199449784. The cubic root of 40048899 is about 342.1344927755.

The spelling of 40048899 in words is "forty million, forty-eight thousand, eight hundred ninety-nine".